CN114231201A - 一种高吸能型改性亚克力缓冲材料及其制备方法 - Google Patents
一种高吸能型改性亚克力缓冲材料及其制备方法 Download PDFInfo
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- CN114231201A CN114231201A CN202111289067.8A CN202111289067A CN114231201A CN 114231201 A CN114231201 A CN 114231201A CN 202111289067 A CN202111289067 A CN 202111289067A CN 114231201 A CN114231201 A CN 114231201A
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- modified acrylic
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 3
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
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Abstract
本发明公开了一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层和贴合于该改性亚克力树脂层两侧的面胶层；改性亚克力树脂层的制备原料包括发泡材料、固化剂、助剂、色浆、改性亚克力树脂液；改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料包括单体、引发剂、固化剂、橡胶粒子；面胶层的制备原料包括亚克力胶黏剂、增粘树脂、固化剂、色浆。本发明还提供了该高吸能型改性亚克力缓冲材料的制备方法。本发明的缓冲材料具有优异的抗冲击吸能作用，且设计模量较高，可以为后段的模切加工提供更好的操作性，大大扩展了应用领域。
Description
技术领域
本发明涉及缓冲材料技术领域，特别涉及一种高吸能型改性亚克力缓冲材料及其制备方法。
背景技术
在目前现有的各种缓冲材料中，应用最广泛也最成熟的缓冲材料为泡棉，泡棉又可细分为PE(聚乙烯)泡棉、PP(聚丙烯)泡棉、PU(聚氨酯)泡棉以及VHB(Very Highbonding)缓冲材料。以上分类中，PE、PP以及PU属于慢冲击缓冲材料，即在缓慢外力作用下，具有一定的吸能作用，当外力撤除后又可缓慢恢复原样。但是对于快冲击作用(即瞬时冲击如跌落)，以上三种材料均表现较差，相比之下VHB材料则表现出较为理想的抗冲击效果。VHB材料以其超强的粘着性而被广泛熟知，很少有人会考虑其在抗冲击性方面的性能特点；通过落球跌落测试，相同尺寸(25mm*25mm*2mm)的以上四种材料中，PE、PP、PU三种泡棉胶带的抗冲击性只能达到0.15-0.22J之间，而VHB材料则可达到0.25-0.35J之间，可满足绝大多数的抗冲击应用需要。
随着电子产品如智能手机、Pad、智能手表以及笔记本电脑等的设计科技感越来越强，厚度以及屏幕大小也较传统的设计有了很大的变化，对其中的粘结缓冲材料同样要求越来越高；相较于过去的2mm-3mm边框粘结缓冲材料，现在最窄已经变化为0.5mm-1mm；虽然粘结宽度变窄，但是对粘结缓冲材料的性能却有了更高的要求，即粘结缓冲材料的粘结性以及吸能性较过去材料要有明显的提升。
目前经过大量比对，亚克型VHB较PE、PP和PU三种泡棉的抗冲击性都要优异，而传统的VHB材料往往是通过UV光固化的方法一步或者多步涂布而成，如3M的49系列产品、59系列产品都是由丙烯酸酯预聚物加丙烯酸系稀释单体和光引发剂经过UV固化涂布并多次贴合而成，其中不同层之间又由连接层复合而成；这种VHB材料往往是由纯亚克力树脂组成，粘弹性更偏向于粘性，可以赋予材料极好的黏着性能；但是在抗冲击性能方面，这种VHB材料却有着明显的瓶颈，这是因为亚克力树脂本身的粘弹特性中损耗模量大于储能模量，在受到外力瞬时冲击时，往往会受到内聚的破坏，无法实现极好的抗冲击性能；除此之外，韩国Anyone等韩系品牌公司又研制出含PET补强型VHB材料，此种VHB材料因内部嵌有一层薄型PET，所以其尺寸稳定性以及模切性均有明显的优势，但是在抗冲击性方面，由于PET较面胶层属于刚性材料，所以在受到外力瞬间冲击时，PET面与面胶层的界面极易出现脱离，从而使材料破坏。
再有，美国3M公司通过电子束交联固化的方式得到的864系列VHB材料虽然均较传统的VHB材料在抗冲击上有了提升，但是因其最终VHB整体模量太低，导致给后道应用端带来很大困扰，如难模切、良品率低等加工问题；且采用电子束交联固化的方法研制出的产品内聚较差，耐高温性能不足，所以应用受到一定的限制。
针对上述不足，需要研发一种高吸能型改性亚克力VHB材料，其抗冲击性能可达到较高级别，以满足目前绝大多数电子产品中对抗冲击性的特殊应用要求。
发明内容
为解决上述技术问题，本发明的目的在于提供一种高吸能型改性亚克力缓冲材料及其制备方法；该缓冲材料具有优异的抗冲击吸能作用，且设计模量较高，可以为后段的模切加工提供更好的操作性，大大扩展了应用领域。
为实现上述技术目的，达到上述技术效果，本发明通过以下技术方案实现：
一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层和贴合于该改性亚克力树脂层两侧的面胶层；
所述改性亚克力树脂层的制备原料按照质量百分比包括如下组分：发泡材料0.05～5％、固化剂0.5～0.8％、助剂0.5～1.5％、色浆2～10％，余量为改性亚克力树脂液；
所述改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体10～30％、引发剂0.05～1.5％、固化剂0.5～0.8％，余量为橡胶粒子；
所述面胶层的制备原料按照质量百分比包括如下组分：亚克力胶黏剂70～90％、增粘树脂5～25％、固化剂0.5～5％、色浆2～5％。
进一步的，所述发泡材料为偶氮二甲酰胺、4，4氧双(苯磺酰肼)、发泡颗粒中的至少一种。
进一步的，改性亚克力树脂层中的助剂为抗氧剂1076、抗氧剂1010中的一种或两种的组合。
进一步的，树脂制备原料中的单体为丙烯酸丁酯、丙烯酸羟乙酯、甲基丙烯酸甲酯、丙烯酸、丙烯酸乙酯、丙烯酸异辛酯中的两种以上的组合。
进一步的，树脂制备原料中的橡胶粒子为苯乙烯-丁二烯-苯乙烯嵌段共聚物、苯乙烯-异戊二烯-苯乙烯嵌段共聚物、氢化SBS、聚丙烯腈中的至少一种。
进一步，树脂制备原料中的引发剂为BPO或AIBN中的一种或两种的组合。
进一步的，制备面胶层所用的增粘树脂为松香树脂、改性萜烯树脂、萜烯酚树脂、松香萜烯酚树脂、苯乙烯改性萜烯树脂、石油树脂、酚醛树脂中的至少一种。
进一步的，所述固化剂为异氰酸酯型固化剂。
本发明还提供一种高吸能型改性亚克力缓冲材料的制备方法，包括如下步骤：
(1)将橡胶粒子和单体充分溶解于溶剂中，然后向溶解液中充入氮气以充分除氧；升温至65℃-75℃后，加入引发剂；在温度为65℃-75℃的条件下反应4-5h，然后加入固化剂，最后降温终止反应，获得改性亚克力树脂液；
(2)向改性亚克力树脂液中加入发泡材料、固化剂、助剂、色浆，充分搅拌，得到改性亚克力树脂层制备液；
(3)将亚克力胶黏剂、增粘树脂、固化剂、色浆充分搅拌混合得到面胶层制备液；
(4)将改性亚克力树脂层制备液均匀涂布于离型膜上，经烘干后得到改性亚克力树脂膜；将面胶层制备液均匀涂布于离型膜上，经烘干后得到面胶膜；在改性亚克力树脂膜的两侧分别贴合所得的面胶膜，再经熟化固化，得到高吸能型改性亚克力缓冲材料。
本发明的有益效果是：
本发明采用单体、引发剂、固化剂和橡胶粒子通过溶剂法合成工艺合成了改性亚克力树脂，对亚克力树脂进行了粘弹改性，提升了亚克力树脂的弹性模量，然后在利用该改性亚克力树脂进行制备改性亚克力树脂层时，加入了发泡材料，使得最终固化得到的改性亚克力树脂层为密闭微孔泡结构；改性亚克力树脂的较高弹性模量配合改性亚克力树脂层的密闭微孔泡结构，提高了改性亚克力树脂层的抗冲击吸能效果；面胶层采用改性亚克力胶黏剂制成，该改性亚克力胶黏剂是在传统的亚克力胶黏剂中加入增粘树脂、固化剂和色浆改性制成；改性亚克力胶黏剂可以对不同的表面均具有较好的黏着特性，利用该亚克力胶黏剂制成的面胶层与改性亚克力树脂层之间具有较好的附着性，保证了整体改性亚克力缓冲材料具有优异的抗冲击吸能效果；此外，本发明的改性亚克力树脂层为交联共聚改性材料，设计模量较高，可以为后段的模切加工提供更好的操作性，从而可以大大扩展该改性亚克力缓冲材料的应用领域。
附图说明
图1为本发明的高吸能型改性亚克力缓冲材料的结构示意图。
具体实施方式
下面将结合具体实施例对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明提供了一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层1和贴合于该改性亚克力树脂层1两侧的面胶层2；
所述改性亚克力树脂层1的制备原料按照质量百分比包括如下组分：发泡材料0.05～5％、固化剂0.5～0.8％、助剂0.5～1.5％、色浆2～10％，余量为改性亚克力树脂液；
所述改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体10～30％、引发剂0.05～1.5％、固化剂0.5～0.8％，余量为橡胶粒子；
所述面胶层2的制备原料按照质量百分比包括如下组分：亚克力胶黏剂70～90％、增粘树脂5～25％、固化剂0.5～5％、色浆2～5％；其中的亚克力胶黏剂为市售的传统亚克力胶黏剂。
其中，所述发泡材料为偶氮二甲酰胺、4，4氧双(苯磺酰肼)、发泡颗粒(5μm-80μm)中的至少一种。
其中的，改性亚克力树脂层中的助剂为抗氧剂1076(β-(3,5-二叔丁基-4-羟基苯基)丙酸正十八碳醇酯)、抗氧剂1010(四[β-(3，5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯)中的一种或两种的组合。
其中，树脂制备原料中的单体为混合单体，优选为丙烯酸丁酯、丙烯酸羟乙酯、甲基丙烯酸甲酯、丙烯酸、丙烯酸乙酯、丙烯酸异辛酯等丙烯酸类单体中的两种以上的组合。
其中，树脂制备原料中的橡胶粒子为苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)、苯乙烯-异戊二烯-苯乙烯嵌段共聚物(SIS)、氢化SBS、聚丙烯腈中的至少一种。
其中，树脂制备原料中的引发剂为过氧化苯甲酰(BPO)或偶氮二异丁腈(AIBN)中的一种或两种的组合。
其中，制备面胶层所用的增粘树脂为松香树脂、改性萜烯树脂、萜烯酚树脂、松香萜烯酚树脂、苯乙烯改性萜烯树脂、石油树脂、酚醛树脂中的至少一种。
其中，改性亚克力树脂层制备原料中的固化剂、树脂制备原料中的固化剂以及面胶层制备原料中的固化剂均为异氰酸酯型固化剂，优选为甲苯二异氰酸酯(TDI)与三羟甲基丙烷(TMP)的加成物、甲苯二异氰酸酯(TDI)三聚体、六亚甲基二异氰酸酯(HDI)三聚体、六亚甲基二异氰酸酯(HDI)多聚体等。
其中的色浆为黑色或白色色浆。
本发明还提供一种高吸能型改性亚克力缓冲材料的制备方法，包括如下步骤：
(1)将橡胶粒子和单体充分溶解于溶剂中，然后向溶解液中充入氮气以充分除氧1h；升温至65℃-75℃后，加入引发剂；在温度为65℃-75℃的条件下反应4-5h，然后加入固化剂，最后降温终止反应，获得改性亚克力树脂液；
(2)向改性亚克力树脂液中加入发泡材料、固化剂、助剂、色浆，充分搅拌，得到改性亚克力树脂层制备液；
(3)将亚克力胶黏剂、增粘树脂、固化剂、色浆充分搅拌混合得到面胶层制备液；
(4)将改性亚克力树脂层制备液均匀涂布于离型膜上，经烘干后得到改性亚克力树脂膜；将面胶层制备液均匀涂布于离型膜上，经烘干后得到面胶膜；在改性亚克力树脂膜的两侧分别贴合所得的面胶膜，再经熟化固化，得到高吸能型改性亚克力缓冲材料；在该步骤中，改性亚克力树脂层和面胶层均采用溶剂法涂布方式。
本发明的高吸能型改性亚克力缓冲材料中，改性亚克力树脂层的厚度为60μm-200μm，面胶层的厚度为10μm-100μm，最终的改性亚克力缓冲材料的厚度为80μm-400μm。
实施例1
一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层1和贴合于该改性亚克力树脂层两侧1的面胶层2；
改性亚克力树脂层1的制备原料按照质量百分比包括如下组分：偶氮二甲酰胺0.5％、异氰酸酯型固化剂0.5％、抗氧剂1010 0.5％、色浆2％，余量为改性亚克力树脂液；其中的改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体10％、过氧化苯甲酰0.05％、异氰酸酯型固化剂0.5％，余量为SBS橡胶粒子；其中的单体为混合单体，包括丙烯酸丁酯、甲基丙烯酸甲酯和丙烯酸羟乙酯；
面胶层2的制备原料按照质量百分比包括如下组分：亚克力胶黏剂70％、松香树脂20％、异氰酸酯型固化剂5％、色浆5％。
实施例2
一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层1和贴合于该改性亚克力树脂层两侧1的面胶层2；
改性亚克力树脂层1的制备原料按照质量百分比包括如下组分：偶氮二甲酰胺1％、异氰酸酯型固化剂0.5％、抗氧剂1010 1％、色浆5％，余量为改性亚克力树脂液；其中的改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体15％、过氧化苯甲酰1％、异氰酸酯型固化剂0.5％，余量为SBS橡胶粒子；其中的单体为混合单体，包括丙烯酸丁酯、甲基丙烯酸甲酯和丙烯酸羟乙酯；
面胶层2的制备原料按照质量百分比包括如下组分：亚克力胶黏剂75％、松香树脂15％、异氰酸酯型固化剂5％、色浆5％。
实施例3
一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层1和贴合于该改性亚克力树脂层1两侧的面胶层2；
改性亚克力树脂层1的制备原料按照质量百分比包括如下组分：4，4氧双(苯磺酰肼)3％、异氰酸酯型固化剂0.6％、抗氧剂1010 1.5％、色浆5％，余量为改性亚克力树脂液；其中的改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体20％、过氧化苯甲酰1.5％、异氰酸酯型固化剂0.8％，余量为SIS橡胶粒子；其中的单体为混合单体，包括丙烯酸丁酯、甲基丙烯酸甲酯和丙烯酸羟乙酯；
面胶层2的制备原料按照质量百分比包括如下组分：亚克力胶黏剂80％、松香萜烯酚树脂10％、异氰酸酯型固化剂5％、色浆5％。
实施例4
一种高吸能型改性亚克力缓冲材料，包括改性亚克力树脂层1和贴合于该改性亚克力树脂层两侧的面胶层2；
改性亚克力树脂层1的制备原料按照质量百分比包括如下组分：发泡颗粒5％、异氰酸酯型固化剂0.8％、抗氧剂1010 1.5％、色浆10％，余量为改性亚克力树脂液；其中的改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体30％、偶氮二异丁腈1.5％、异氰酸酯型固化剂0.8％，余量为SIS橡胶粒子；其中的单体为混合单体，包括丙烯酸丁酯、甲基丙烯酸甲酯和丙烯酸羟乙酯；
面胶层2的制备原料按照质量百分比包括如下组分：亚克力胶黏剂90％、松香萜烯酚树脂5％、异氰酸酯型固化剂3％、色浆2％。
上述高吸能型改性亚克力缓冲材料的制备方法，包括如下步骤：
(1)按照质量百分比将橡胶粒子和单体充分溶解于一定量的溶剂(乙酸乙酯和甲苯)中，然后向溶解液中充入氮气以充分除氧1h；升温至65℃-75℃后，加入引发剂；在温度为65℃-75℃的条件下反应4-5h，然后加入异氰酸酯型固化剂，最后降温终止反应，获得改性亚克力树脂液；
(2)向改性亚克力树脂液中加入发泡材料、固化剂、助剂、色浆，充分搅拌，得到改性亚克力树脂层制备液；
(3)将亚克力胶黏剂、增粘树脂、固化剂、色浆充分搅拌混合得到面胶层制备液；
(4)将改性亚克力树脂层制备液均匀涂布于离型膜上，经烘箱充分烘干后得到改性亚克力树脂膜；将面胶层制备液均匀涂布于离型膜上，经烘箱充分烘干后得到面胶膜；在改性亚克力树脂膜的两侧分别贴合所得的面胶膜，再经熟化固化，得到具有改性亚克力树脂层1和面胶层2的高吸能型改性亚克力缓冲材料。
利用实施例2的配方通过调整涂布量制备不同厚度的高吸能型改性亚克力缓冲材料样品，以进行抗冲击性能测试。
高吸能型改性亚克力缓冲材料样品1：改性亚克力树脂层的厚度为80μm，面胶层的厚度为35μm，总厚度为150μm；
高吸能型改性亚克力缓冲材料样品2：改性亚克力树脂层的厚度为100μm，面胶层的厚度为50μm，总厚度为200μm；
高吸能型改性亚克力缓冲材料样品3：改性亚克力树脂层的厚度为100μm，面胶层的厚度为75μm，总厚度为250μm；
高吸能型改性亚克力缓冲材料样品4：改性亚克力树脂层的厚度为150μm，面胶层的厚度为75μm，总厚度为300μm。
对上述高吸能型改性亚克力缓冲材料样品1-4以及美国3M公司的864系列VHB缓冲材料、传统的PE泡棉分别进行抗冲击性能测试；测试结果为：高吸能型改性亚克力缓冲材料样品1-4的抗冲击能量依次为1.25J、1.32J、1.35J、1.5J，即均达到了1J以上；美国3M公司的864系列VHB缓冲材料的抗冲击能量为0.5J，传统PE泡棉的抗冲击能量为0.32J。由此说明，本发明的高吸能型改性亚克力缓冲材料具有更优异的抗冲击性。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (9)
1.一种高吸能型改性亚克力缓冲材料，其特征在于：包括改性亚克力树脂层和贴合于该改性亚克力树脂层两侧的面胶层；
所述改性亚克力树脂层的制备原料按照质量百分比包括如下组分：发泡材料0.05～5％、固化剂0.5～0.8％、助剂0.5～1.5％、色浆2～10％，余量为改性亚克力树脂液；
所述改性亚克力树脂液是采用树脂制备原料在溶剂中反应制得，该树脂制备原料按照质量百分比包括如下组分：单体10～30％、引发剂0.05～1.5％、固化剂0.5～0.8％，余量为橡胶粒子；
所述面胶层的制备原料按照质量百分比包括如下组分：亚克力胶黏剂70～90％、增粘树脂5～25％、固化剂0.5～5％、色浆2～5％。
2.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：所述发泡材料为偶氮二甲酰胺、4，4氧双(苯磺酰肼)、发泡颗粒中的至少一种。
3.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：改性亚克力树脂层中的助剂为抗氧剂1076、抗氧剂1010中的一种或两种的组合。
4.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：树脂制备原料中的单体为丙烯酸丁酯、丙烯酸羟乙酯、甲基丙烯酸甲酯、丙烯酸、丙烯酸乙酯、丙烯酸异辛酯中的两种以上的组合。
5.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：树脂制备原料中的的橡胶粒子为苯乙烯-丁二烯-苯乙烯嵌段共聚物、苯乙烯-异戊二烯-苯乙烯嵌段共聚物、氢化SBS、聚丙烯腈中的至少一种。
6.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：树脂制备原料中的的引发剂为BPO或AIBN中的一种或两种的组合。
7.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：制备面胶层所用的增粘树脂为松香树脂、改性萜烯树脂、萜烯酚树脂、松香萜烯酚树脂、苯乙烯改性萜烯树脂、石油树脂、酚醛树脂中的至少一种。
8.根据权利要求1所述的一种高吸能型改性亚克力缓冲材料，其特征在于：所述固化剂为异氰酸酯型固化剂。
9.一种权利要求1～8任一项所述的高吸能型改性亚克力缓冲材料的制备方法，其特征在于，包括如下步骤：
(1)将橡胶粒子和单体充分溶解于溶剂中，然后向溶解液中充入氮气以充分除氧；升温至65℃-75℃后，加入引发剂；在温度为65℃-75℃的条件下反应4-5h，然后加入固化剂，最后降温终止反应，获得改性亚克力树脂液；
(2)向改性亚克力树脂液中加入发泡材料、固化剂、助剂、色浆，充分搅拌，得到改性亚克力树脂层制备液；
(3)将亚克力胶黏剂、增粘树脂、固化剂、色浆充分搅拌混合得到面胶层制备液；
(4)将改性亚克力树脂层制备液均匀涂布于离型膜上，经烘干后得到改性亚克力树脂膜；将面胶层制备液均匀涂布于离型膜上，经烘干后得到面胶膜；在改性亚克力树脂膜的两侧分别贴合所得的面胶膜，再经熟化固化，得到高吸能型改性亚克力缓冲材料。
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